When we use ICBC's overdraft card for consumption or cash withdrawal, we may need to enter the overdraft card number. Overdraft card code refers to an identification code set by the banking system to facilitate the management of different types of overdraft card, and the overdraft card code corresponding to different card types is different. Therefore, understanding the meaning and function of ICBC overdraft card code can help us better manage credit card accounts and avoid unnecessary expenses and risks caused by improper operation.

For ICBC's overdraft card, there are mainly two types of overdraft card codes: one is ordinary overdraft card code and the other is certified overdraft card code. Ordinary overdraft card code is suitable for ordinary overdraft card, and certified overdraft card code is used for some special overdraft card, such as UnionPay credit card. Different types of overdraft card correspond to different overdraft card codes. Therefore, when handling overdraft card, we need to carefully read the official instructions provided by the bank to determine the required overdraft card number.

In the process of using ICBC overdraft card, it is very important to use overdraft card code correctly. First of all, we need to carefully check the overdraft card code to make sure it is correct before we can make consumption or cash withdrawal. Secondly, it is also necessary to abide by the bank's regulations and not to disclose the overdraft card code to others to prevent personal account information from being stolen. Finally, if you find that the overdraft card number is invalid or wrong, you should contact the bank customer service center in time to solve the problem in time and protect the personal account security.